* Wietse Venema <wie...@porcupine.org>:
> Patrick Ben Koetter:
> > IIRC smtpd_tls_ask_ccert should not be enabled on publicly referenced MTAs,
> > because there are enough MTAs out there unable to handle client certificate
> > requests from a server they connect to.
> 
> Is this still true? Assuming that you are referring to MTA-MTA
> communication, not end-user MUAs (such as old Netscape clients that
> should have fallen to dust by now).

Actually I don't know if it is still true. If not we could ignore the
individualization and - ideally - move to to add smtpd_tls_ccert_policy_maps.


> > It that is true, would it be possible to make smtpd_tls_ask_ccert client
> > dependent e.g. request a ccert when the client sends e.g. a specific HELO
> > hostname?
> > 
> > mail.example.com        ask_ccert
> > .example.net            ask_ccert
> 
> Alternatively, allow a richer input to smtpd_tls_ask_ccert besides
> yes and no.  For example, a (match)list.

Yes. Finer control e.g. access(5) actions would be my ultimate wish.

p@rick

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